Mess free. For use with all Color Wonder paper! The magic of color without the mess! Colors only on Color Wonder paper! Nontoxic. Color Wonder inks are clear. Colors magically appear only on Color Wonder paper. Won't color skin, walls or fabric. Contents and colors may vary. Safety Information: Conforms to ASTM D 4236. All Crayola Art material are nontoxic. CE listed. Made in China.